22105222436 has 24 divisors (see below), whose sum is σ = 42523034400. Its totient is φ = 9971124800.

The previous prime is 22105222411. The next prime is 22105222487. The reversal of 22105222436 is 63422250122.

It is a junction number, because it is equal to n+sod(n) for n = 22105222399 and 22105222408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911761 + ... + 1923288.

It is an arithmetic number, because the mean of its divisors is an integer number (1771793100).

Almost surely, 2^22105222436 is an apocalyptic number.

It is an amenable number.

22105222436 is a deficient number, since it is larger than the sum of its proper divisors (20417811964).

22105222436 is a wasteful number, since it uses less digits than its factorization.

22105222436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835195 (or 3835193 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 22105222436 its reverse (63422250122), we get a palindrome (85527472558).

The spelling of 22105222436 in words is "twenty-two billion, one hundred five million, two hundred twenty-two thousand, four hundred thirty-six".